All Butler Audio products are manufactured using the finest parts and materials available.

Mobile: Butler Audio Tube Driver BLUE mobile audio products are warrantied against manufacturing defects in material and workmanship for a period of 1 (one) year from the original date of purchase. This warranty applies to the original purchaser only and is not transferable. Tube breakage is NOT covered under warranty. For further details please see the warranty card included with your purchase.

Home Theater: Butler Audio Tube Driver BLUE home theater products are warrantied against manufacturing defects in material and workmanship for a period of 3 (three) years from the original date of purchase. This warranty is transferable IF the secondary purchaser retains the original purchaser's sales receipt. Tube breakage is NOT covered under warranty. For further details please see the warranty card included with your purchase.

MONAD: Butler Audio MONAD home audio products are warrantied against manufacturing defects in material and workmanship for a period of 5 (five) years from the original date of purchase. This warranty is transferable IF the secondary purchaser retains the original purchaser's sales receipt. Tube breakage is NOT covered under warranty. For further details please see the warranty card included with your purchase.

TubeDriver, TubeDriver BLUE, Thermionic, MosValve, Butler Audio, Blue Tube,
blue tube illumination, appearance and method are trademarks of BK Butler.
Use of these trademarks is by permission only and is strictly enforced.